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Selected:ARID (Active Reviews for Intermediate Designs)Design SprintA3 Problem SolvingContradiction Analysis
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Design Sprint |  Operations A3 Problem Solving |  Innovation Contradiction Analysis |
|---|---|---|---|---|
Purposedifferent | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 4-5 Tage | 45-90 min | 60-120 min |
Participantsdifferent | Designers, developers as users, and facilitation | 5-8 | 2-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prototype, Test Findings, Decision Rationale | A3 Report, Action Plan, Root Cause Analysis | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Design sprintPrototypeValidationInnovation | LeanProblem solvingCoachingOperations | ContradictionsInnovationProblem solving |